[#uint256-2constructor-05]
= xref:uint256.adoc[uint256]::uint256
:relfileprefix: ../
:mrdocs:

Constructs a zero‐valued uint256.

== Synopsis

Declared in `<uint256.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
uint256() = default;
----


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